1 / 22

Lesson 7-5 Pages 350-354

Lesson 7-5 Pages 350-354. Solving Inequalities by Multiplying or Dividing. What you will learn!. How to solve inequalities by multiplying or dividing by a positive number. How to solve inequalities by multiplying or dividing by a negative number. Vocabulary. What you really need to know!.

alisa-battle
Download Presentation

Lesson 7-5 Pages 350-354

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Lesson 7-5Pages 350-354 Solving Inequalities by Multiplying or Dividing

  2. What you will learn! • How to solve inequalities by multiplying or dividing by a positive number. • How to solve inequalities by multiplying or dividing by a negative number.

  3. Vocabulary

  4. What you really need to know! Use the Multiplication and Division Properties of Inequalities. When you multiply or divide each side of an inequality by a positive number, the inequality remains true.

  5. What you really need to know! Know this secret! For an inequality to remain true when multiplying or dividing each side by a negative number, you must reverse the direction of the inequality symbol!

  6. Example 1: Solve:

  7. Example 1b: Solve:

  8. Example 2: Martha earns $9 per hour working for a fast food restaurant. Which inequality can be used to find how many hours she must work in a week to earn at least $243?

  9. Example 3: Solve the inequality and graph.

  10. -38 -37 -36 -35 -34 -33 -32 -39

  11. Example 3b: Solve the inequality and graph.

  12. 2 3 4 5 6 7 8 1

  13. Page 353 Guided Practice #’s 4-13

  14. Read: Pages 350-352 with someone at home and study examples!

  15. Homework: Pages 353-354 #’s 14-38 even #’s 42-57 all Practice Quiz 2 #’s 1-10 PA Lesson Check 7-5

  16. Link to Lesson 7-5 Review Problems

  17. Page 741 Lesson 7-5

  18. PA Lesson Check 7-5

More Related